The metal sphere of a small Van de Graaffgenerator illustrated in Figure 15.23 has a radius of 18 cm. When the electric field at the surface of the sphere reaches 3.0 × 106 V/m, the air breaks down, and the generator discharges. What is the maximum potential the sphere can have before breakdown occurs?
The metal sphere of a small Van de Graaffgenerator illustrated in Figure 15.23 has a radius of 18 cm. When the electric field at the surface of the sphere reaches 3.0 × 106 V/m, the air breaks down, and the generator discharges. What is the maximum potential the sphere can have before breakdown occurs?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter16: Electrical Energy And Capacitance
Section: Chapter Questions
Problem 32P: Air breaks down and conducts charge as a spark if the electric field magnitude exceeds 3.00 106...
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The metal sphere of a small Van de Graaffgenerator illustrated in Figure 15.23 has a radius of 18 cm. When the electric field at the surface of the sphere reaches 3.0 × 106 V/m, the air breaks down, and the generator discharges. What is the maximum potential the sphere can have before breakdown occurs?
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